Winstler review: a Curacao casino with no UK licence

Winstler casino has no Gambling Commission licence, so it is not licensed to take players in Great Britain. Launched in 2022, it is run by Favorit United N.V. under a Curacao licence, and the register files of 2 November 2026 show no Winstler business, trading name or domain.

Mixed messages about UK players

Statements from the company say Winstler accepts players from all over the world, including the UK, and the brand is promoted as a casino not on GAMSTOP. Some players report that its own terms exclude the UK. Either way, the legal result for a GB player does not change: without a Commission licence there is no basis for the site to serve Great Britain, and no UK rule protects the account.

Favorit United N.V. and the Curacao licence

A Curacao licence regulates a business under Curacao law. The Gambling Act 2005 applies a separate test: if remote gambling is used in Great Britain, a Commission licence is needed, wherever the servers or company sit. Offering it without one is an offence carrying up to 51 weeks in prison, a fine, or both, and advertising unlawful gambling is a further offence under section 330. That is why this page carries no Winstler bonus, no deposit offer or link.

Disputes with an unlicensed operator

At a GB licensee, a player who is not satisfied takes the complaint to the operator, then after 8 weeks or a final response to an approved ADR provider, at no cost. At Winstler none of that applies. The Commission does not handle individual disputes even for licensees, and it has no hold over an operator it has not licensed. Its warnings about unlicensed sites include blocked payouts, withdrawal limits too high to reach and personal data put at risk.

Protections that only a GB licence brings

• GAMSTOP self-exclusion across all licensed sites
• £5 maximum slot stake, £2 for those aged 18 to 24
• bonus wagering of no more than 10 times the bonus amount
• light-touch financial vulnerability checks at £150 net deposits over 30 days
• no gambling on credit cards

If you want to stop

If you hold a Winstler account and want to stop, stop funding it and keep copies of your balance and messages. Blocking software helps where GAMSTOP cannot: GamCare names Gamban, free for helpline callers. The National Gambling Helpline on 0808 8020 133 is free, by phone, live chat or WhatsApp. Gambling is for adults aged 18 and over. Read how GAMSTOP works, how to check a casino's UK licence and our responsible gambling page, or see licence statuses in the reviews A-Z.